I'm really not sure how you imagine doing away with a notion of citizenship will convince a group of people to allow "others" into "their" group if the others d

I'm really not sure how you imagine doing away with a notion of citizenship will convince a group of people to allow "others" into "their" group if the others don't offer the group something it values. That's a fair point and I don't know what would happen if we eliminate citizenship. It might be replaced by something just as bad. I'm just pointing out why I dislike the concept, how it is similar to nobility.